Initial commit

Services/FilePickerService.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Windows.Storage.Pickers;
+
+namespace IPClab3.Services;
+
+public class FilePickerService
+{
+    public async Task<string> RequestFileOpener(IntPtr hwnd)
+    {
+        var picker = new FileOpenPicker();
+        picker.FileTypeFilter.Add(".exe");
+
+        WinRT.Interop.InitializeWithWindow.Initialize(picker, hwnd);
+
+        var file = await picker.PickSingleFileAsync();
+        return file?.Path;
+    }
+}